PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/11-21:43:00 G01 238.8 28.3 11.7 +/- 1.43 21.2 +/- 1.43 0.040 / 0.050 G03 311.3 54.8 9.1 +/- 1.89 10.9 +/- 1.89 0.050 / 0.050 G14 72.3 33.2 8.7 +/- 1.74 14.2 +/- 1.74 0.070 / 0.150 G16 157.7 28.8 12.6 +/- 1.79 22.6 +/- 1.79 0.080 / 0.130 G18 210.0 17.0 11.2 +/- 2.48 26.5 +/- 2.48 0.030 / 0.030 G22 277.4 74.1 10.0 +/- 0.79 10.3 +/- 0.79 0.040 / 0.030 G23 294.6 25.0 10.0 +/- 1.89 19.6 +/- 1.89 0.070 / 0.110 G26 126.6 46.7 12.1 +/- 0.98 15.9 +/- 0.98 0.060 / 0.130 G31 40.1 50.3 8.0 +/- 0.69 10.1 +/- 0.69 0.150 / 0.100 G32 86.6 16.3 9.4 +/- 2.87 22.7 +/- 2.87 0.080 / 0.150